Processing JSON documents with jq - an example-based approach
Using the jq command-line JSON processor.
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Kafka command-line tools
Kafka command-line tools that you can use to troubleshoot your Kafka clusters.
OpenSSL Pocket Reference
Using the most common OpenSSL commands to generate your own keys, certificates or certificate authorities (CAs).
Kubernetes (kubectl) commands cheat sheet
A curated list of Kubernetes (kubectl) commands that are most frequently used.